Patent US1450232A successfully refreshed from Google Patents.
US1450232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submarine salvage vessel
Assignee: Individual
•
Filing: 1920-03-06
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Granted: 1923-04-03
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Expires: 1940-03-06
Abstract
No abstract record available.
Inventors
- 👤 John C Setlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:31
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/34; B63C11/44; B25; B25J; B25J5/00; B25J5/005; B25J9/00; B25J9/02; B25J9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1926-04-02 | 1926-10-02 | 1927-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-04-02 | 1930-10-02 | 1931-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-04-02 | 1934-10-02 | 1935-04-03 | $7700.00 | Window Closed / Lapsed |